HB Lubrication & Cooling Systems Components
Engineered to deliver consistent coolant flow and reliable oil pressure across extended operating cycles. Built to protect, cool, and sustain engine performance in the toughest on- and off-highway applications.
Why Choose HB Core Components?
Manufactured in certified facilities and rigorously tested for demanding applications in construction, mining, transportation, and rail.
Precision Craft, Always Ready
Our team is ready to meet your engine parts needs.
Oil Pump 4939588 HB for Cummins QSB6.7 Diesel Engine Part
Durable performance, exact fit for original equipment, robust design for reliable operation, engineered for easy installation, and straightforward maintenance. Ensures consistent oil pressure and efficient lubrication in demanding engine environments.
Oil Pump 4939587 HB for Cummins 6B Diesel Engine Part
Durable performance, exact fit for original equipment, robust design for reliable operation, engineered for easy installation, and straightforward maintenance. Ensures consistent oil pressure and efficient lubrication in demanding engine environments.
Oil Pump 4939586 HB for Cummins 4B Diesel Engine Part
Durable performance, exact fit for original equipment, robust design for reliable operation, engineered for easy installation, and straightforward maintenance. Ensures consistent oil pressure and efficient lubrication in demanding engine environments.
Oil Pump 4939585 HB for Cummins 4B Diesel Engine Part
Durable performance, exact fit for original equipment, robust design for reliable operation, engineered for easy installation, and straightforward maintenance. Ensures consistent oil pressure and efficient lubrication in demanding engine environments.
Oil Pump 4003950 HB for Cummins Qsm11 Diesel Engine Part
Durable performance, exact fit for original equipment, robust design for reliable operation, engineered for easy installation, and straightforward maintenance. Ensures consistent oil pressure and efficient lubrication in demanding engine environments.
Oil Pump 3415365 HB for Cummins 6C Diesel Engine Part
Durable performance, exact fit for original equipment, robust design for reliable operation, engineered for easy installation, and straightforward maintenance. Ensures consistent oil pressure and efficient lubrication in demanding engine environments.
Mr. Johnson - Maintenance Supervisor
"Ever since we switched to HB's crankshafts and camshafts for our fleet, our maintenance bills have gone way down. Those parts just last longer and work like a charm—our long-haul trucks hardly ever break down anymore, and everything keeps moving without a hitch."
"Choosing HB as one of our OEM suppliers was driven by their high-quality standards and exceptional customer service. The piston assemblies and valves provided by HB not only perform reliably but also integrate seamlessly with our production processes. Their technical support has helped us optimize our manufacturing workflow, enhancing the competitiveness of our final products."
Ms. Brown - Operations Manager
"For a rental company like ours, equipment reliability and continuous operation are critical. HB’s bearings and connecting rods, tested over extended periods under extreme conditions, have proven their superior quality. Thanks to HB’s support, we’ve been able to stand out in a highly competitive market."
Thabo Nkosi - Chief Mechanic, Mining Division
"In the harsh environment of our open pit mines, reliability is non-negotiable. The HB's crankshaft performance far exceeds that of other brands we've tested. They operate even in extreme heat and dust environments."
Carla Méndez - Field Operations Lead, Atmospheric Research Station
"In remote high-altitude locations, generator reliability is critical. HB’s fuel injection nozzles and gears have proven resilient in low-oxygen, cold environments."
